#include<stdio.h>
int main()
{
	int grade[10]={99,90,91,92,93,91,93,94,94,95};
	int total=0;
	int i;
	float avg;
	for(i=0;i<10;i++)
	{
		total+=grade[i];
	 } 
	 avg=((float)total/10);
	 printf("the student's average is %f\n",avg);
}
